<ul>
<li class="t1">This list item should have green background because its class is &quot;t1&quot;</li>
<li class="t2">This list item should have green background because its class is &quot;t2&quot;</li>
<li class="t2">
<span class="t33">This list item should have green background because
the inner SPAN does not match SPAN.t3</span>
</li>
</ul>